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v3.15
 
  1/*
  2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
  3 * All Rights Reserved.
  4 *
  5 * This program is free software; you can redistribute it and/or
  6 * modify it under the terms of the GNU General Public License as
  7 * published by the Free Software Foundation.
  8 *
  9 * This program is distributed in the hope that it would be useful,
 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12 * GNU General Public License for more details.
 13 *
 14 * You should have received a copy of the GNU General Public License
 15 * along with this program; if not, write the Free Software Foundation,
 16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 17 */
 18#ifndef __XFS_QM_H__
 19#define __XFS_QM_H__
 20
 21#include "xfs_dquot_item.h"
 22#include "xfs_dquot.h"
 23
 24struct xfs_inode;
 25
 26extern struct kmem_zone	*xfs_qm_dqtrxzone;
 27
 28/*
 29 * Number of bmaps that we ask from bmapi when doing a quotacheck.
 30 * We make this restriction to keep the memory usage to a minimum.
 31 */
 32#define XFS_DQITER_MAP_SIZE	10
 33
 34#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
 35	!dqp->q_core.d_blk_hardlimit && \
 36	!dqp->q_core.d_blk_softlimit && \
 37	!dqp->q_core.d_rtb_hardlimit && \
 38	!dqp->q_core.d_rtb_softlimit && \
 39	!dqp->q_core.d_ino_hardlimit && \
 40	!dqp->q_core.d_ino_softlimit && \
 41	!dqp->q_core.d_bcount && \
 42	!dqp->q_core.d_rtbcount && \
 43	!dqp->q_core.d_icount)
 44
 45/*
 46 * This defines the unit of allocation of dquots.
 47 * Currently, it is just one file system block, and a 4K blk contains 30
 48 * (136 * 30 = 4080) dquots. It's probably not worth trying to make
 49 * this more dynamic.
 50 * XXXsup However, if this number is changed, we have to make sure that we don't
 51 * implicitly assume that we do allocations in chunks of a single filesystem
 52 * block in the dquot/xqm code.
 53 */
 54#define XFS_DQUOT_CLUSTER_SIZE_FSB	(xfs_filblks_t)1
 
 
 55
 56/*
 57 * Various quota information for individual filesystems.
 58 * The mount structure keeps a pointer to this.
 59 */
 60typedef struct xfs_quotainfo {
 61	struct radix_tree_root qi_uquota_tree;
 62	struct radix_tree_root qi_gquota_tree;
 63	struct radix_tree_root qi_pquota_tree;
 64	struct mutex qi_tree_lock;
 65	struct xfs_inode	*qi_uquotaip;	/* user quota inode */
 66	struct xfs_inode	*qi_gquotaip;	/* group quota inode */
 67	struct xfs_inode	*qi_pquotaip;	/* project quota inode */
 68	struct list_lru	 qi_lru;
 69	int		 qi_dquots;
 70	time_t		 qi_btimelimit;	 /* limit for blks timer */
 71	time_t		 qi_itimelimit;	 /* limit for inodes timer */
 72	time_t		 qi_rtbtimelimit;/* limit for rt blks timer */
 73	xfs_qwarncnt_t	 qi_bwarnlimit;	 /* limit for blks warnings */
 74	xfs_qwarncnt_t	 qi_iwarnlimit;	 /* limit for inodes warnings */
 75	xfs_qwarncnt_t	 qi_rtbwarnlimit;/* limit for rt blks warnings */
 76	struct mutex	 qi_quotaofflock;/* to serialize quotaoff */
 77	xfs_filblks_t	 qi_dqchunklen;	 /* # BBs in a chunk of dqs */
 78	uint		 qi_dqperchunk;	 /* # ondisk dqs in above chunk */
 79	xfs_qcnt_t	 qi_bhardlimit;	 /* default data blk hard limit */
 80	xfs_qcnt_t	 qi_bsoftlimit;	 /* default data blk soft limit */
 81	xfs_qcnt_t	 qi_ihardlimit;	 /* default inode count hard limit */
 82	xfs_qcnt_t	 qi_isoftlimit;	 /* default inode count soft limit */
 83	xfs_qcnt_t	 qi_rtbhardlimit;/* default realtime blk hard limit */
 84	xfs_qcnt_t	 qi_rtbsoftlimit;/* default realtime blk soft limit */
 85	struct shrinker  qi_shrinker;
 86} xfs_quotainfo_t;
 87
 88static inline struct radix_tree_root *
 89xfs_dquot_tree(
 90	struct xfs_quotainfo	*qi,
 91	int			type)
 92{
 93	switch (type) {
 94	case XFS_DQ_USER:
 95		return &qi->qi_uquota_tree;
 96	case XFS_DQ_GROUP:
 97		return &qi->qi_gquota_tree;
 98	case XFS_DQ_PROJ:
 99		return &qi->qi_pquota_tree;
100	default:
101		ASSERT(0);
102	}
103	return NULL;
104}
105
106static inline struct xfs_inode *
107xfs_dq_to_quota_inode(struct xfs_dquot *dqp)
108{
109	switch (dqp->dq_flags & XFS_DQ_ALLTYPES) {
110	case XFS_DQ_USER:
111		return dqp->q_mount->m_quotainfo->qi_uquotaip;
112	case XFS_DQ_GROUP:
113		return dqp->q_mount->m_quotainfo->qi_gquotaip;
114	case XFS_DQ_PROJ:
115		return dqp->q_mount->m_quotainfo->qi_pquotaip;
116	default:
117		ASSERT(0);
118	}
119	return NULL;
120}
121
122extern void	xfs_trans_mod_dquot(struct xfs_trans *,
123					struct xfs_dquot *, uint, long);
124extern int	xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
125			struct xfs_mount *, struct xfs_dquot *,
126			struct xfs_dquot *, struct xfs_dquot *,
127			long, long, uint);
 
 
 
 
 
 
 
 
128extern void	xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
129extern void	xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *);
130
131/*
132 * We keep the usr, grp, and prj dquots separately so that locking will be
133 * easier to do at commit time. All transactions that we know of at this point
134 * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value.
135 */
136enum {
137	XFS_QM_TRANS_USR = 0,
138	XFS_QM_TRANS_GRP,
139	XFS_QM_TRANS_PRJ,
140	XFS_QM_TRANS_DQTYPES
141};
142#define XFS_QM_TRANS_MAXDQS		2
143struct xfs_dquot_acct {
144	struct xfs_dqtrx	dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS];
145};
146
147/*
148 * Users are allowed to have a usage exceeding their softlimit for
149 * a period this long.
150 */
151#define XFS_QM_BTIMELIMIT	(7 * 24*60*60)          /* 1 week */
152#define XFS_QM_RTBTIMELIMIT	(7 * 24*60*60)          /* 1 week */
153#define XFS_QM_ITIMELIMIT	(7 * 24*60*60)          /* 1 week */
154
155#define XFS_QM_BWARNLIMIT	5
156#define XFS_QM_IWARNLIMIT	5
157#define XFS_QM_RTBWARNLIMIT	5
158
159extern void		xfs_qm_destroy_quotainfo(struct xfs_mount *);
160extern int		xfs_qm_quotacheck(struct xfs_mount *);
161extern int		xfs_qm_write_sb_changes(struct xfs_mount *, __int64_t);
162
163/* dquot stuff */
164extern void		xfs_qm_dqpurge_all(struct xfs_mount *, uint);
165extern void		xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
166
167/* quota ops */
168extern int		xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
169extern int		xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t,
170					uint, struct fs_disk_quota *);
171extern int		xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
172					struct fs_disk_quota *);
173extern int		xfs_qm_scall_getqstat(struct xfs_mount *,
174					struct fs_quota_stat *);
175extern int		xfs_qm_scall_getqstatv(struct xfs_mount *,
176					struct fs_quota_statv *);
 
 
 
 
177extern int		xfs_qm_scall_quotaon(struct xfs_mount *, uint);
178extern int		xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
179
180#endif /* __XFS_QM_H__ */
v6.13.7
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
  4 * All Rights Reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
  5 */
  6#ifndef __XFS_QM_H__
  7#define __XFS_QM_H__
  8
  9#include "xfs_dquot_item.h"
 10#include "xfs_dquot.h"
 11
 12struct xfs_inode;
 13
 14extern struct kmem_cache	*xfs_dqtrx_cache;
 15
 16/*
 17 * Number of bmaps that we ask from bmapi when doing a quotacheck.
 18 * We make this restriction to keep the memory usage to a minimum.
 19 */
 20#define XFS_DQITER_MAP_SIZE	10
 21
 22#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
 23	!dqp->q_blk.hardlimit && \
 24	!dqp->q_blk.softlimit && \
 25	!dqp->q_rtb.hardlimit && \
 26	!dqp->q_rtb.softlimit && \
 27	!dqp->q_ino.hardlimit && \
 28	!dqp->q_ino.softlimit && \
 29	!dqp->q_blk.count && \
 30	!dqp->q_rtb.count && \
 31	!dqp->q_ino.count)
 32
 33struct xfs_quota_limits {
 34	xfs_qcnt_t		hard;	/* default hard limit */
 35	xfs_qcnt_t		soft;	/* default soft limit */
 36	time64_t		time;	/* limit for timers */
 37};
 38
 39/* Defaults for each quota type: time limits, warn limits, usage limits */
 40struct xfs_def_quota {
 41	struct xfs_quota_limits	blk;
 42	struct xfs_quota_limits	ino;
 43	struct xfs_quota_limits	rtb;
 44};
 45
 46/*
 47 * Various quota information for individual filesystems.
 48 * The mount structure keeps a pointer to this.
 49 */
 50struct xfs_quotainfo {
 51	struct radix_tree_root	qi_uquota_tree;
 52	struct radix_tree_root	qi_gquota_tree;
 53	struct radix_tree_root	qi_pquota_tree;
 54	struct mutex		qi_tree_lock;
 55	struct xfs_inode	*qi_uquotaip;	/* user quota inode */
 56	struct xfs_inode	*qi_gquotaip;	/* group quota inode */
 57	struct xfs_inode	*qi_pquotaip;	/* project quota inode */
 58	struct xfs_inode	*qi_dirip;	/* quota metadir */
 59	struct list_lru		qi_lru;
 60	int			qi_dquots;
 61	struct mutex		qi_quotaofflock;/* to serialize quotaoff */
 62	xfs_filblks_t		qi_dqchunklen;	/* # BBs in a chunk of dqs */
 63	uint			qi_dqperchunk;	/* # ondisk dq in above chunk */
 64	struct xfs_def_quota	qi_usr_default;
 65	struct xfs_def_quota	qi_grp_default;
 66	struct xfs_def_quota	qi_prj_default;
 67	struct shrinker		*qi_shrinker;
 68
 69	/* Minimum and maximum quota expiration timestamp values. */
 70	time64_t		qi_expiry_min;
 71	time64_t		qi_expiry_max;
 72
 73	/* Hook to feed quota counter updates to an active online repair. */
 74	struct xfs_hooks	qi_mod_ino_dqtrx_hooks;
 75	struct xfs_hooks	qi_apply_dqtrx_hooks;
 76};
 77
 78static inline struct radix_tree_root *
 79xfs_dquot_tree(
 80	struct xfs_quotainfo	*qi,
 81	xfs_dqtype_t		type)
 82{
 83	switch (type) {
 84	case XFS_DQTYPE_USER:
 85		return &qi->qi_uquota_tree;
 86	case XFS_DQTYPE_GROUP:
 87		return &qi->qi_gquota_tree;
 88	case XFS_DQTYPE_PROJ:
 89		return &qi->qi_pquota_tree;
 90	default:
 91		ASSERT(0);
 92	}
 93	return NULL;
 94}
 95
 96static inline struct xfs_inode *
 97xfs_quota_inode(struct xfs_mount *mp, xfs_dqtype_t type)
 98{
 99	switch (type) {
100	case XFS_DQTYPE_USER:
101		return mp->m_quotainfo->qi_uquotaip;
102	case XFS_DQTYPE_GROUP:
103		return mp->m_quotainfo->qi_gquotaip;
104	case XFS_DQTYPE_PROJ:
105		return mp->m_quotainfo->qi_pquotaip;
106	default:
107		ASSERT(0);
108	}
109	return NULL;
110}
111
112/*
113 * Parameters for tracking dqtrx changes on behalf of an inode.  The hook
114 * function arg parameter is the field being updated.
115 */
116struct xfs_mod_ino_dqtrx_params {
117	uintptr_t		tx_id;
118	xfs_ino_t		ino;
119	xfs_dqtype_t		q_type;
120	xfs_dqid_t		q_id;
121	int64_t			delta;
122};
123
124extern void	xfs_trans_mod_dquot(struct xfs_trans *tp, struct xfs_dquot *dqp,
125				    uint field, int64_t delta);
126extern void	xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
127extern void	xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *);
128
129/*
130 * We keep the usr, grp, and prj dquots separately so that locking will be
131 * easier to do at commit time. All transactions that we know of at this point
132 * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value.
133 */
134enum {
135	XFS_QM_TRANS_USR = 0,
136	XFS_QM_TRANS_GRP,
137	XFS_QM_TRANS_PRJ,
138	XFS_QM_TRANS_DQTYPES
139};
140#define XFS_QM_TRANS_MAXDQS		5
141struct xfs_dquot_acct {
142	struct xfs_dqtrx	dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS];
143};
144
145/*
146 * Users are allowed to have a usage exceeding their softlimit for
147 * a period this long.
148 */
149#define XFS_QM_BTIMELIMIT	(7 * 24*60*60)          /* 1 week */
150#define XFS_QM_RTBTIMELIMIT	(7 * 24*60*60)          /* 1 week */
151#define XFS_QM_ITIMELIMIT	(7 * 24*60*60)          /* 1 week */
152
 
 
 
 
153extern void		xfs_qm_destroy_quotainfo(struct xfs_mount *);
 
 
 
 
 
 
154
155/* quota ops */
156extern int		xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
157extern int		xfs_qm_scall_getquota(struct xfs_mount *mp,
158					xfs_dqid_t id,
159					xfs_dqtype_t type,
160					struct qc_dqblk *dst);
161extern int		xfs_qm_scall_getquota_next(struct xfs_mount *mp,
162					xfs_dqid_t *id,
163					xfs_dqtype_t type,
164					struct qc_dqblk *dst);
165extern int		xfs_qm_scall_setqlim(struct xfs_mount *mp,
166					xfs_dqid_t id,
167					xfs_dqtype_t type,
168					struct qc_dqblk *newlim);
169extern int		xfs_qm_scall_quotaon(struct xfs_mount *, uint);
170extern int		xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
171
172static inline struct xfs_def_quota *
173xfs_get_defquota(struct xfs_quotainfo *qi, xfs_dqtype_t type)
174{
175	switch (type) {
176	case XFS_DQTYPE_USER:
177		return &qi->qi_usr_default;
178	case XFS_DQTYPE_GROUP:
179		return &qi->qi_grp_default;
180	case XFS_DQTYPE_PROJ:
181		return &qi->qi_prj_default;
182	default:
183		ASSERT(0);
184		return NULL;
185	}
186}
187
188int xfs_qm_qino_load(struct xfs_mount *mp, xfs_dqtype_t type,
189		struct xfs_inode **ipp);
190
191#endif /* __XFS_QM_H__ */